At 9： 30 p．m．yesterday， I was sitting in my chair， listening to a strange sound． It made me（1）　　．

    This was the third time I heard the（2）　　． I didn't know who or what made the sound． It sounded like someone was knocking at my （3）　　， but I lived on the ninth floor!

    I was（4）　　 scared to open my eyes until the sound stopped． I thought about asking for help， but I was sure people would（5）　　 me． "There are no such things as ghosts，" they'd say．

    "There it is again!" I shouted My mom came upstairs and （6）　　 me what was going on． Then she heard the strange noise too． She went into the bathroom． I wanted to （7）　　 my mom because I was afraid that something bad would happen to her． （8）　　 she started laughing． "It's OK， dear． It's just a strong wind making your curtain shake and knock the window．"

    I was very surprised． Since then， I've started thinking more（9）　　． In the world， there are（10）　　 ghosts． I don't need to be afraid． If such things happen again， I will do like what my mom did and find out the truth．

（1）A． scared	B． pleased	C． excited
（2）A． shout	B． sound	C． cry
（3）A． window	B． door	C． floor
（4）A． so	B． too	C． very
（5）A． talk about	B． stare at	C． laugh at
（6）A． asked	B． told	C． answered
（7）A． encourage	B． call	C． stop
（8）A． But	B． And	C． So
（9）A． quickly	B． deeply	C． scientifically
（10）A． many	B． no	C． enough